344638494 has 24 divisors (see below), whose sum is σ = 772466760. Its totient is φ = 110917968.

The previous prime is 344638487. The next prime is 344638513. The reversal of 344638494 is 494836443.

It is a happy number.

344638494 is a `hidden beast` number, since 3 + 4 + 4 + 638 + 4 + 9 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329592 + ... + 330635.

It is an arithmetic number, because the mean of its divisors is an integer number (32186115).

Almost surely, 2^344638494 is an apocalyptic number.

344638494 is an abundant number, since it is smaller than the sum of its proper divisors (427828266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344638494 is a wasteful number, since it uses less digits than its factorization.

344638494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660264 (or 660261 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 344638494 is about 18564.4416560262. The cubic root of 344638494 is about 701.1128516329.

The spelling of 344638494 in words is "three hundred forty-four million, six hundred thirty-eight thousand, four hundred ninety-four".